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Finding the Fourth Proportional to 16.49, 24.74 and 6.34

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Solution

The fourth proportional to 16.49, 24.74 and 6.34 is: 9.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.49 : 24.74 = 6.34 : x
  2. Step 2: Convert to fraction form
    16.49/24.74 = 6.34/x
  3. Step 3: Cross multiply
    16.49x = 24.74 × 6.34
  4. Step 4: Simplify right side
    16.49x = 156.85
  5. Step 5: Solve for x
    x = 156.85/16.49
  6. Step 6: Final answer
    x = 9.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.